Well, by that measure, how do you know any player who did not make the field should have played?? LOL
I know that he played frosh at RB, WR, OLB, DB, DL, QB, TE, and safety over the past few years. It is a matter of common sense. If he is playing some true freshmen and not other true freshmen, he does not have an aversion to playing true freshmen. So, there must be a distinction. Because he wants to win and has been a coach for his whole adult life, I deduce that he is playing the true freshmen who are best and have earned a way on to the field.
I see the logic in my conclusion, but not in one that generalizes that he won’t give freshmen meaningful minutes because he favors age. I have evidence.